Thread

Re: [HACKERS] compression in LO and other fields

Bruce Momjian <maillist@candle.pha.pa.us> — 1999-11-12T03:50:16Z

>     The compression rates aren't that giantic.  I've  got  30-50%
>     for  rule  plan  strings  (size  limit  on views!!!). And the
>     method used only allows for  buffer  back  references  of  4K
>     offsets  at  most,  so the rate will not grow for larger data
>     chunks. That's a heavy tradeoff between compression rate  and
>     no  memory  leakage  for sure and speed, I know, but I prefer
>     not to force it, instead I usually use a bigger  hammer  (the
>     tuple  size limit is still our original problem - and another
>     IBM 72GB disk doing 22-37 MB/s will make any compressing data
>     type obsolete then).
> 
>     Sorry  for the compression specific slang here.  Well, anyone
>     interested in the code?

In contrib?

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